JP2023526106A - ニッケル基高温合金、その製造方法、部品および使用 - Google Patents
ニッケル基高温合金、その製造方法、部品および使用 Download PDFInfo
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 166
- 239000000956 alloy Substances 0.000 title claims abstract description 166
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000010146 3D printing Methods 0.000 claims abstract description 80
- 239000002994 raw material Substances 0.000 claims abstract description 50
- 150000001247 metal acetylides Chemical class 0.000 claims abstract description 31
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 17
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 229910052796 boron Inorganic materials 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims description 53
- 230000008018 melting Effects 0.000 claims description 52
- 239000000843 powder Substances 0.000 claims description 22
- 229910052746 lanthanum Inorganic materials 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 7
- 238000010894 electron beam technology Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 5
- 210000001787 dendrite Anatomy 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910000856 hastalloy Inorganic materials 0.000 description 2
- -1 methods of making Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001119 inconels 625 Inorganic materials 0.000 description 1
- 229910000816 inconels 718 Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002601 lanthanoid compounds Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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Abstract
Description
(関係出願の相互参照)
(a)レーザー出力:100~700W、
(b)レーザー走査速度:600~2000mm/s、
(c)スポット径:40~110μm、
(d)レーザー間隔:80~120μm、
(e)粉末の敷き厚さ:20~80μm
を含む。
(a)レーザー出力:100~700W、
(b)レーザー走査速度:600~2000mm/s、
(c)スポット径:40~110μm、
(d)レーザー間隔:80~120μm、
(e)粉末の敷き厚さ:20~80μm
を含む。
(a)レーザー出力:100~700W、例えば、100W、200W、300W、400W、500W、600Wまたは700W、
(b)レーザー走査速度:600~2000mm/s、例えば、600mm/s、700mm/s、800mm/s、900mm/s、1000mm/s、1200mm/s、1500mm/s、1800mm/sまたは2000mm/s、
(c)スポット径:40~110μm、例えば、40μm、50μm、60μm、70μm、80μm、90μm、100μmまたは110μm、
(d)レーザー間隔:80~120μm、例えば、80μm、90μm、100μm、110μmまたは120μm、
(e)粉末の敷き厚さ:20~80μm、例えば、20μm、30μm、40μm、50μm、60μm、70μmまたは80μm
を含む。
(a)レーザー出力:100~700W、
(b)レーザー走査速度:600~2000mm/s、
(c)スポット径:40~110μm、
(d)レーザー間隔:80~120μm、
(e)粉末の敷き厚さ:20~80μm
を含む。
実施例1
(1)組成の配合に従って、Co、Al、W、Ti、Ni、Fe、Cr、Mo、C、B、Mn、Si、Laなどの高純度の単体を秤量する工程と、
(2)Co、Ni、Crなど比較的融点の低い元素の単体を坩堝の底に入れ、その上にW、Moなど高融点元素の単体を入れ、またAl、Ti、Bなど元素の単体をホッパにいれて溶融時に添加する工程と、
(3)真空誘導炉で溶融する工程、つまり、まず、低出力(約120kWである)で原料を加熱することにより、付着ガスを除き、続いて、高出力(約200kW)で1500℃以上に素早く昇温して10分間保持した後、約1300~1400℃に温度を下げて5分間保持し、さらに、ホッパ内のAl、Ti、Bなど元素の単体を添加し、1500℃以上に昇温して15分間保持した後、鋳込んで高温合金鋳塊を得る工程と
を含む。
実施例2~4
Claims (17)
- 3Dプリントにより以下の原料から製造されるニッケル基高温合金であって、
前記原料は、質量%で、C:0.3%以下、Co:5%未満、W:13~15%、Cr:20~24%、Mo:1~3%、Al:0.2~0.5%、Ti:0.1%未満、Fe:3%未満、B:0.015%未満、La:0.001~0.004%、Mn:0.01~0.2%、Si:0.02~0.2%、残部がNiからなる組成を有し、
前記ニッケル基高温合金に割れがなく、その組織中における炭化物の平均直径は150~200nmであり、炭化物直径分布は50nm~4μmであり、
前記ニッケル基高温合金における炭化物は、一次炭化物及び二次炭化物を含み、
前記一次炭化物は、直径が200nm~4μmであり、樹枝状結晶とセル状結晶の間にあるW、Moが濃化された領域に存在し、
前記二次炭化物は、直径が50~150nmであり、一部が粒界に存在し、その他が結晶粒内に存在する
ことを特徴とするニッケル基高温合金。 - 前記原料は、質量%で、C:0.05~0.3%、Co:5%未満、W:13~15%、Cr:20~24%、Mo:1~3%、Al:0.2~0.5%、Ti:0.1%未満、Fe:3%未満、B:0.015%未満、La:0.001~0.004%、Mn:0.01~0.1%、Si:0.02~0.1%、残部がNiからなる組成を有する
ことを特徴とする請求項1に記載のニッケル基高温合金。 - 前記原料は、質量%で、C:0.08~0.25%、Co:5%未満、W:13~15%、Cr:20~24%、Mo:1~3%、Al:0.2~0.5%、Ti:0.1%未満、Fe:3%未満、B:0.015%未満、La:0.001~0.004%、Mn:0.01~0.06%、Si:0.02~0.06%、残部がNiからなる組成を有する
ことを特徴とする請求項1に記載のニッケル基高温合金。 - 前記3Dプリントは、選択的レーザ溶融法による3Dプリントまたは電子ビーム溶融法による3Dプリントを含むことを特徴とする請求項1に記載のニッケル基高温合金。
- 前記3Dプリントは選択的レーザ溶融法による3Dプリントであることを特徴とする請求項4に記載のニッケル基高温合金。
- 前記ニッケル基高温合金は、前記原料を粒径15~75μmの粉末に調製した後、前記選択的レーザ溶融法による3Dプリントを行うことで製造されるものである
ことを特徴とする請求項5に記載のニッケル基高温合金。 - 前記選択的レーザ溶融法による3Dプリントを行った後、熱間静水圧法による処理と熱処理を行う
ことを特徴とする請求項6に記載のニッケル基高温合金。 - 前記ニッケル基高温合金の1100℃環境での降伏強度は、50MPa以上であり、
熱間静水圧法による処理を行う前の前記ニッケル基高温合金の緻密性は99%以上であり、熱間静水圧法による処理を行った後の前記ニッケル基高温合金の緻密性は99.95%以上である
ことを特徴とする請求項7に記載のニッケル基高温合金。 - 前記選択的レーザ溶融法による3Dプリントのパラメータは、
(a)レーザー出力:100~700W、
(b)レーザー走査速度:600~2000mm/s、
(c)スポット径:40~110μm、
(d)レーザー間隔:80~120μm、
(e)粉末の敷き厚さ:20~80μm
を含むことを特徴とする請求項5~8のいずれか1項に記載のニッケル基高温合金。 - ニッケル基高温合金の製造方法であって、
請求項1~3のいずれか1項に記載のニッケル基高温合金の前記原料を用いて、3Dプリントにより、前記ニッケル基高温合金を製造する工程を含む
ことを特徴とするニッケル基高温合金の製造方法。 - 前記3Dプリントは、選択的レーザ溶融法による3Dプリントまたは電子ビーム溶融法による3Dプリントを含む
ことを特徴とする請求項10に記載のニッケル基高温合金の製造方法。 - 前記3Dプリントは選択的レーザ溶融法による3Dプリントであることを特徴とする請求項11に記載のニッケル基高温合金の製造方法。
- 前記原料を粒径15~75μmの粉末に調製した後、前記選択的レーザ溶融法による3Dプリントを行うことで、前記ニッケル基高温合金を製造する工程を含む
ことを特徴とする請求項12に記載のニッケル基高温合金の製造方法。 - 前記原料を粒径15~75μmの粉末に調製した後、前記選択的レーザ溶融法による3Dプリントを行い、さらに熱間静水圧法による処理と熱処理を行うことで、前記ニッケル基高温合金を製造する工程を含む
ことを特徴とする請求項13に記載のニッケル基高温合金の製造方法。 - 前記選択的レーザ溶融法の3Dプリントのパラメータは、
(a)レーザー出力:100~700W、
(b)レーザー走査速度:600~2000mm/s、
(c)スポット径:40~110μm、
(d)レーザー間隔:80~120μm、
(e)粉末の敷き厚さ:20~80μm
を含むことを特徴とする請求項14に記載のニッケル基高温合金の製造方法。 - 請求項1~9のいずれか1項に記載のニッケル基高温合金、または請求項10~15のいずれか1項に記載の製造方法により製造されたニッケル基高温合金を含む
ことを特徴とする部品。 - 請求項16に記載の部品を含むことを特徴とする航空機エンジン、飛行体またはガスタービン。
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